EP2953174A4 - Light emitting device and led light bulb - Google Patents

Light emitting device and led light bulb

Info

Publication number
EP2953174A4
EP2953174A4 EP14745940.8A EP14745940A EP2953174A4 EP 2953174 A4 EP2953174 A4 EP 2953174A4 EP 14745940 A EP14745940 A EP 14745940A EP 2953174 A4 EP2953174 A4 EP 2953174A4
Authority
EP
European Patent Office
Prior art keywords
emitting device
light emitting
led light
light bulb
bulb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP14745940.8A
Other languages
German (de)
French (fr)
Other versions
EP2953174A1 (en
Inventor
Masahiko Yamakawa
Yasuhiro Shirakawa
Hiroyasu Kondo
Ryoji Tsuda
Tatsunori Itoga
Masami Okamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba Materials Co Ltd
Original Assignee
Toshiba Corp
Toshiba Materials Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2013017444 priority Critical
Priority to JP2013017443 priority
Application filed by Toshiba Corp, Toshiba Materials Co Ltd filed Critical Toshiba Corp
Priority to PCT/JP2014/000480 priority patent/WO2014119313A1/en
Publication of EP2953174A1 publication Critical patent/EP2953174A1/en
Publication of EP2953174A4 publication Critical patent/EP2953174A4/en
Application status is Pending legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/55Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing beryllium, magnesium, alkali metals or alkaline earth metals
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/57Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing manganese or rhenium
    • C09K11/572Chalcogenides
    • C09K11/576Chalcogenides with alkaline earth metals
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7715Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing cerium
    • C09K11/7721Aluminates; Silicates
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals comprising europium
    • C09K11/7734Aluminates; Silicates
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals comprising europium
    • C09K11/7737Phosphates
    • C09K11/7738Phosphates with alkaline earth metals
    • C09K11/7739Phosphates with alkaline earth metals with halogens
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7783Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7784Chalcogenides
    • C09K11/7787Oxides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7783Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7784Chalcogenides
    • C09K11/7787Oxides
    • C09K11/7789Oxysulfides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7783Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7792Aluminates; Silicates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00Combination of light sources
    • F21Y2113/10Combination of light sources of different colours
    • F21Y2113/13Combination of light sources of different colours comprising an assembly of point-like light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L25/00Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L51/00, e.g. assemblies of rectifier diodes
    • H01L25/04Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L51/00, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L51/00, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L51/00, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L33/00Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50Wavelength conversion elements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies
    • Y02B20/16Gas discharge lamps, e.g. fluorescent lamps, high intensity discharge lamps [HID] or molecular radiators
    • Y02B20/18Low pressure and fluorescent lamps
    • Y02B20/181Fluorescent powders
EP14745940.8A 2013-01-31 2014-01-30 Light emitting device and led light bulb Pending EP2953174A4 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013017444 2013-01-31
JP2013017443 2013-01-31
PCT/JP2014/000480 WO2014119313A1 (en) 2013-01-31 2014-01-30 Light emitting device and led light bulb

Publications (2)

Publication Number Publication Date
EP2953174A1 EP2953174A1 (en) 2015-12-09
EP2953174A4 true EP2953174A4 (en) 2016-09-14

Family

ID=51262028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14745940.8A Pending EP2953174A4 (en) 2013-01-31 2014-01-30 Light emitting device and led light bulb

Country Status (3)

Country Link
EP (1) EP2953174A4 (en)
JP (2) JPWO2014119313A1 (en)
WO (1) WO2014119313A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6293914B2 (en) * 2014-09-30 2018-03-14 株式会社東芝 LED module and lighting device
JP6407654B2 (en) * 2014-10-08 2018-10-17 株式会社東芝 LED module and lighting device
JP6462713B2 (en) * 2014-10-28 2019-01-30 株式会社東芝 White light source system
US9974138B2 (en) 2015-04-21 2018-05-15 GE Lighting Solutions, LLC Multi-channel lamp system and method with mixed spectrum
EP3316322A4 (en) * 2015-06-24 2018-12-26 Kabushiki Kaisha Toshiba, Inc. White light source system
CN105374807A (en) * 2015-12-03 2016-03-02 易美芯光(北京)科技有限公司 Color temperature adjustable LED integrated light source
CN105423149A (en) * 2015-12-25 2016-03-23 广州市添鑫光电有限公司 Efficient intelligent LED light source
DE102016207728A1 (en) * 2016-05-04 2017-11-09 Bayerische Motoren Werke Aktiengesellschaft Lighting device
CN109790464A (en) * 2016-10-11 2019-05-21 株式会社东芝 Fluorophor and its manufacturing method and light emitting device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050212404A1 (en) * 2004-03-24 2005-09-29 Wen-Ho Chen White light LED assembly
WO2007114614A1 (en) * 2006-03-31 2007-10-11 Seoul Semiconductor Co., Ltd. Light emitting device and lighting system having the same
US20070274093A1 (en) * 2006-05-25 2007-11-29 Honeywell International, Inc. LED backlight system for LCD displays
US20120056209A1 (en) * 2010-09-06 2012-03-08 Kabushiki Kaisha Toshiba Light emitting device
US20120326627A1 (en) * 2011-06-14 2012-12-27 Luminus Devices, Inc. Systems and methods for controlling white light

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4128564B2 (en) * 2004-04-27 2008-07-30 松下電器産業株式会社 Light emitting device
EP1867697B1 (en) * 2005-03-04 2014-05-14 Mitsubishi Chemical Corporation Fluorescent substance and process for producing the same, and light emitting device using said fluorescent substance
US7288902B1 (en) * 2007-03-12 2007-10-30 Cirrus Logic, Inc. Color variations in a dimmable lighting device with stable color temperature light sources
WO2008123498A1 (en) * 2007-03-30 2008-10-16 Mitsubishi Chemical Corporation Phosphor and method for producing the same, phosphor-containing composition, light-emitting device, image display device, and illuminating device
JP5320993B2 (en) * 2007-11-12 2013-10-23 三菱化学株式会社 Lighting device
JP2009231525A (en) * 2008-03-24 2009-10-08 Koizumi Lighting Technology Corp Light-emitting module, and illuminator
EP2449856A1 (en) * 2009-06-30 2012-05-09 3M Innovative Properties Company White light electroluminescent devices with adjustable color temperature
JP2011159809A (en) * 2010-02-01 2011-08-18 Mitsubishi Chemicals Corp White light-emitting device
JP4862098B1 (en) 2010-06-28 2012-01-25 東芝マテリアル株式会社 LED bulb
JP2012064925A (en) * 2010-08-18 2012-03-29 Mitsubishi Chemicals Corp Led light-emitting device and indicator incorporating the same
JP2012199218A (en) * 2010-09-09 2012-10-18 Mitsubishi Chemicals Corp Light-emitting device, lighting system and lighting method
JP5654328B2 (en) * 2010-11-24 2015-01-14 パナソニックIpマネジメント株式会社 Light emitting device
JP2012113959A (en) * 2010-11-24 2012-06-14 Panasonic Corp Light-emitting device
JP2013042099A (en) * 2011-07-15 2013-02-28 Mitsubishi Chemicals Corp Circuit board for mounting semiconductor light emitting device, light emitting module, lighting apparatus, and lighting system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050212404A1 (en) * 2004-03-24 2005-09-29 Wen-Ho Chen White light LED assembly
WO2007114614A1 (en) * 2006-03-31 2007-10-11 Seoul Semiconductor Co., Ltd. Light emitting device and lighting system having the same
US20070274093A1 (en) * 2006-05-25 2007-11-29 Honeywell International, Inc. LED backlight system for LCD displays
US20120056209A1 (en) * 2010-09-06 2012-03-08 Kabushiki Kaisha Toshiba Light emitting device
US20120326627A1 (en) * 2011-06-14 2012-12-27 Luminus Devices, Inc. Systems and methods for controlling white light

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014119313A1 *

Also Published As

Publication number Publication date
JPWO2014119313A1 (en) 2017-01-26
EP2953174A1 (en) 2015-12-09
WO2014119313A1 (en) 2014-08-07
JP2018200884A (en) 2018-12-20

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